The Joys (Ha!) of Sharing

I happened to catch this little series all on camera. I thought I was going to be taking pictures of both girls happily blowing bubbles with each other. But instead...
Lucy is so happy with her brand new bubbles that she got for her birthday:

However, she is pretty serious about the fact that they are HER bubbles:

This does not make Bella happy:

And she is sure to let Lucy know this:

So, Mommy steps in, and forces Lucy to give Bella a turn:

Now, you guessed it, Lucy is not happy:

But Bella sure is: